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Köttigite

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CLB152649

Köttigite

ex collection Julian Gruber
Classic Locality

Description Tabs

Description
Locality: 
Silbereckle Mine, Reichenbach, Lahr, Freiburg Region, Baden-Württemberg, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4 × 2 cm
Description

Nice rich köttigite specimen. Acicular köttigite crystals on all sides.

Mineral Data
What's on the rock

Köttigite

Formula: 
Zn3(AsO4)2·8H2O
Strunz: 
8.CE.40
Crystal System: 
Monoclinic Prismatic crystals or crusts
Hardness: 
2.5 - 3.0
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

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